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aileron

[ ey-luh-ron ]
/ ˈeɪ ləˌrɒn /
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noun
Aeronautics. a movable surface, usually near the trailing edge of a wing, that controls the roll of the airframe or effects maneuvers, as banks and the like.
a wall at the end of a roof with a single slope, as that of a church aisle.
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Origin of aileron

1905–10; <French, equivalent to ail(e) (see aisle) + -eron diminutive suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use aileron in a sentence

British Dictionary definitions for aileron

aileron
/ (ˈeɪlərɒn) /

noun
a flap hinged to the trailing edge of an aircraft wing to provide lateral control, as in a bank or roll

Word Origin for aileron

C20: from French, diminutive of aile wing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for aileron

aileron
[ ālə-rŏn′ ]

A hinged surface that is part of the back edge of each wing on an airplane. The ailerons are moved up or down to create uneven lift on the sides of the plane to control its rolling and tilting movements.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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